1115704816

素因数分解:

$2^4\times {\mathrm{109}}^1\times {\mathrm{639739}}^1$

素因数の和:639856

約数の個数: 20

約数和(自身を含む): 2181513400

約数和(自身を除く): 1065808584

約数列:

[1, 2, 4, 8, 16, 109, 218, 436, 872, 1744, 639739, 1279478, 2558956, 5117912, 10235824, 69731551, 139463102, 278926204, 557852408, 1115704816]

約数ペア:

[(1, 1115704816), (2, 557852408), (4, 278926204), (8, 139463102), (16, 69731551), (109, 10235824), (218, 5117912), (436, 2558956), (872, 1279478), (1744, 639739)]